<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count > 0" @click.stop="decreaseCart">
        <transition name="rotate">
          <span class="inner icon-remove_circle_outline" v-show="food.count > 0"></span>
        </transition>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count > 0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop="addCart"></div>
  </div>
</template>

<script type="text/ecmascript-6">
  import Vue from 'vue';
  export default {
    props: {
      food: {type: Object}
    },
    methods: {
      addCart (event) {
        if (!event._constructed) return;
        if (!this.food.count) Vue.set(this.food, 'count', 1);
        else this.food.count++;
        this.$emit('add-cart', event.target);
      },
      decreaseCart (event) {
        if (!event._constructed) return;
        if (this.food.count) this.food.count--;
      }
    }
  };
</script>

<style type="text/stylus" lang="stylus">
  .cartcontrol
    font-size: 0;
    .cart-decrease
      display: inline-block;
      padding: 6px;
      &.move-enter, &.move-leave-active
        opacity: 0;
        transform: translate3d(24px, 0, 0);
      &.move-enter-active, &.move-leave-active
        transition: all .4s linear;
      .inner
        display: inline-block;
        line-height: 24px;
        font-size: 24px;
        color: rgb(0, 160, 220);
        &.rotate-enter, &.rotate-leave-active
          transform: rotate(180deg);
        &.rotate-enter-active, &.rotate-leave-active
          transition: all .4s;
    .cart-count
      display: inline-block;
      vertical-align: top;
      width: 12px;
      padding-top: 6px;
      line-height: 24px;
      text-align: center;
      font-size: 10px;
      color: rgb(147, 153, 159);
    .cart-add
      display: inline-block;
      padding: 6px;
      line-height: 24px;
      font-size: 24px;
      color: rgb(0, 160, 220);
</style>
